- Physical Description: 1 online resource (12 unnumbered pages) : charts.
- Publisher: [Washington, D.C.] : U.S. Department of Commerce, Bureau of Standards, 
|General Note:|| Title from title screen (viewed on July 1, 2016).
"Issued August 25, 1933."
|Bibliography, etc. Note:|| Includes bibliographical references.
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- Bureau of Standards miscellaneous publication ; no. 143
- Miscellaneous publications (United States. Bureau of Standards) ; no. 143.